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Get a local business phone number in Red Bluff, CA

Red Bluff's area codes, prefixes and carriers from NANPA records, and how to put a Red Bluff number in front of your customers.

Area code
530 / 837
Exchanges
15NANPA-assigned
Carriers
10
Population
14,286Census 2024 est.

Red Bluff area codes

Red Bluff city is a Census place in Tehama County, California, with an estimated 14,286 residents in 2024. NANPA lists 15 exchanges for its rate center across 2 area codes; 530 has the most (14, 93%). 530 is part of an overlay with 837, so a new local number in Red Bluff may carry any of those codes depending on which have numbers available. Red Bluff is in the Pacific time zone.

According to NANPA's dialing-plan data, local calls within 530 are dialed as 1 plus ten digits and toll calls as 1 plus ten digits.

Area codes with exchanges in Red Bluff, CA
Area codeExchanges hereShareIn service sinceOverlay withTime zone
5301493%1997837Pacific
83716.7%2025530Pacific

Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.

Phone carriers in Red Bluff

10 carriers hold the 15 exchanges assigned to Red Bluff's rate center. Pacific Bell has the most, with 3. 13 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.

Carriers holding exchanges in Red Bluff, CA
Carrier (NANPA operating company)ExchangesShare
Pacific Bell320%
T-mobile USA, INC.213%
Onvoy, LLC - CA213%
Charter Ip Enabled Services, LLC213%
AT&T - Local16.7%
Cellco Partnership d/b/a Verizon Wireless - CA16.7%
Exiant Communications LLC16.7%
New Cingular Wireless PCS, LLC16.7%
Ip Horizon LLC16.7%
Opentact INC.16.7%

Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.

Exchanges (NPA-NXX) assigned in Red Bluff

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Red Bluff's rate center (RED BLUFF). The earliest assignment date recorded in the file for these codes is 2001. 3 of the 15 were assigned in 2020 or later.

Prefixes assigned in Red Bluff, CA
Area codePrefixes (NXX)
530366, 526, 527, 528, 529, 567, 602, 690, 707, 727, 736, 737, 765, 840
837222

Source: NANPA utilized central office code file.

When Red Bluff's exchanges were assigned

Assignment dates show when each block of Red Bluff numbers was added to the local supply.

Red Bluff, CA: exchanges by decade assigned
Decade assignedExchangesShare
2000s350%
2020s350%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

What makes a number local to Red Bluff

What a caller sees as "local" is the area code plus prefix. In Red Bluff, those come from the RED BLUFF rate center, as recorded by NANPA.

New local numbers are drawn from carrier inventory, so the exact 530 numbers available change over time; porting an existing number is free.

Businesses around Red Bluff

Red Bluff is part of the Red Bluff, CA micropolitan area, home to 64,451 people in 2024. County Business Patterns counted 999 business establishments in the Red Bluff, CA micropolitan area in 2023, employing 13,620 people. The largest sectors by establishment count are retail trade (153), construction (138), and health care and social assistance (135).

Selected industries in the Red Bluff, CA micropolitan area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Full-service restaurants473437.3
Limited-service restaurants3056718.9
Child day care services231325.7
Residential remodelers20542.7
Dental offices171428.4
Site preparation contractors171458.5
New single-family housing construction contractors15352.3
Agencies providing services for the elderly and persons with disabilities1419814.1

Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.

Business phone service in Red Bluff

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

If you already have a number in Red Bluff, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.

Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.

Per-seat phone plans multiply by headcount. For the rounded average establishment size in the Red Bluff, CA micropolitan area, 14 users on RingCentral RingEX Core come to $420.00 a month and on Ooma Office Pro $349.30, at month-to-month list prices checked September 28, 2026. On Callata the same 14 people cost $279.00 a month, less than either per-seat plan.

Monthly list price for a 14-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$279.00$3,348.00
Quo (Starter)$19.00 per user$266.00$3,192.00
Nextiva (Core)$23.00 per user$322.00$3,864.00
Ooma (Office Pro)$24.95 per user$349.30$4,191.60
Dialpad (Standard)$27.00 per user$378.00$4,536.00
RingCentral (RingEX Core)$30.00 per user$420.00$5,040.00

Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.

Frequently asked questions

What area code is Red Bluff, CA?

Red Bluff has exchanges in 530 and 837; 530 has the most.

How many phone companies have exchanges in Red Bluff?

10, holding 15 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Red Bluff business number?

Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.

How much is a business phone line in Red Bluff?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 14 users come to $279.00 a month. For comparison, 14 users on RingCentral RingEX Core list at $420.00 a month (checked September 28, 2026).